Akiyoshi KITAOKA, Professor, Department of Psychology, Ritsumeikan University, Kyoto, Japan studying visual perception, visual illusion, optical illusion, trompe l'oeil AIC2009...

Snakes appear to rotate (peripheral drift illusion*1). Gray concentric circles appear to be a spiral (spiral illusion*2).

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Instructions for Viewing the Illusion: ... In 1935, the artist Marcel Duchamp produced a set of 12 rotating optical illusions called Rotoreliefs. These were meant to be observed on a

eyetricks.com provides a wide selection of online optical illusions and other mind teasing oddities. ... ; [Return to Optical Illusion Home Page];

Optical Illusions Ilusiones ópticas optische Täuschungen illusion d'optique optical illusion Gezichtsbedrog optische illusie ilusões de óptica optyczne iluzje ... Archive of Optical Illusions:;

oban - In Japanese tradition, a size of paper used for prints, measuring about 15 x 10 inches. ... optics and optical - Of or relating to sight; visual.

Maurits Cornelius Escher (1898-1972), Dutch graphic artist. See optical illusion and tesselation. ... - In Japanese art, a technique involving the use of wet pigments

A fabulous optical toy - turn the handle, and see the movie come to life.. ... Optical Illusion Ring ... A fantastic optical illusion!

Since this is just one (albeit impressive) illusion, in order to help ... Not even your boss will be able to peel his eyes away from this compilation of deceptive optical trickery. ... Autoblog Japanese